‘The Real Housewives of Dallas’ alum Dr. Tiffany Moon sits down with ET’s Brice Sander to unpack her book, ‘Joy Prescriptions,’ out May 6. Tiffany reflects on her short-lived tenure on ‘RHOD,’ weighing in on whether she believes a reboot (or reality TV return in general) is right for her. She also announces her new partnership with fellow anesthesiologist, ‘The Real Housewives of Miami’s Dr. Nicole Martin, a podcast called ‘Scrubs to Stilettos.’ Tiffany also chats about her second life as an ‘influencer’ and reveals the story behind adding her entire Instagram following to her ‘close friends’ list!